E16
Garo
EEPROM / Configuration Data Corruption
E16 error; charger indicates internal memory or configuration fault.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Power interruption during configuration write, Aging or defective EEPROM on main board, Firmware bug causing corrupted settings
How to Fix / Troubleshooting
Safety first: Configuration changes should be done with stable power.
- Factory reset: Use the installer menu or Garo service tool to perform a factory reset of configuration parameters, then re‑enter all settings.
- Firmware update: If available, update the charger firmware to the latest version recommended by Garo to address known issues.
- Avoid interruptions: During configuration or firmware updates, ensure the power supply is stable and do not switch off the breaker.
- Board replacement: If E16 reappears after reset and firmware update, the EEPROM or microcontroller on the main control board is likely defective and the board should be replaced.
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Repair Difficulty
Medium
3/5
Required Part
Main Control Board (EEPROM / MCU)
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